27238f17b7
cache frame pixmaps since qpainter rtation is expensive svn path=/trunk/KDE/kdelibs/; revision=879936
75 lines
1.9 KiB
C++
75 lines
1.9 KiB
C++
/*
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* Copyright 2008 Marco Martin <notmart@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef PLASMA_BUSYWIDGET_H
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#define PLASMA_BUSYWIDGET_H
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#include <QtGui/QGraphicsWidget>
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#include <plasma/plasma_export.h>
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class QFrame;
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namespace Plasma
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{
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class BusyWidgetPrivate;
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/**
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* @class BusyWidget plasma/widgets/spinner.h <Plasma/Widgets/BusyWidget>
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*
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* @short A widget that provides a waiting spinner
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*
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* A simple spinner widget that can be used to represent a wait of unknown length
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*/
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class PLASMA_EXPORT BusyWidget : public QGraphicsWidget
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{
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Q_OBJECT
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public:
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/**
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* Constructs a new BusyWidget
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*
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* @arg parent the parent of this widget
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*/
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explicit BusyWidget(QGraphicsWidget *parent = 0);
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~BusyWidget();
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protected:
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void paint(QPainter *painter,
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const QStyleOptionGraphicsItem *option,
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QWidget *widget = 0);
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void showEvent(QShowEvent *event);
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void hideEvent(QHideEvent *event);
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void resizeEvent(QGraphicsSceneResizeEvent *event);
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protected Q_SLOTS:
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void timerEvent(QTimerEvent *event);
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private:
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BusyWidgetPrivate * const d;
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Q_PRIVATE_SLOT(d, void themeChanged())
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};
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} // namespace Plasma
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#endif // multiple inclusion guard
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